React.js v19 Tutorials in Hindi - 2025 - #39: Best Way to Store Todo Values in State & Adding Button to Check/Uncheck

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44.3 hours of video
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Keywords

thapatechnical React Todo app Todo app keys add button check uncheck React state management handle form submission update input values check empty input verify data existence add data to state map state to UI delete items from list

Full Transcript

In this video, we will enhance our React Todo app by adding keys for better performance and a button to check/uncheck tasks. Learn how to manage state updates, handle form submissions, and ensure data integrity in your Todo app. Real-life example: Adding and managing a grocery list efficiently. 💸 Get All My YouTube Videos' Source Code for just ₹199! Grab Now - https://thapatechnical.shop/source-code 🔥 Access React Course Source Code, PPT & Notes here for Free : https://www.thapatechnical.com/2024/06/delete-elements-and-auto-update-tasks.html 📺 Discover React.js History in Just 10 Minutes - https://youtu.be/MiK2bFqhg1U 📺 Watch the complete Playlist here : https://www.youtube.com/playlist?list=PLwGdqUZWnOp1Rab71vx2zMF6qpwGDB2Z1 ------------------------------------------------------------------------ 🚀 Boost Your Skills with these Pre-Requisite Videos: 🔗 Best HTML Course - https://youtu.be/5ccq_nLHneE 🔗 Best CSS Course - https://youtu.be/MSICFljRcb4 🔗 JavaScript Basics Course Part 1 - https://youtu.be/13gLB6hDHR8 🔗 JavaScript Advanced Course Part 2 - https://youtu.be/YwsOCN8woA8 ------------------------------------------------------------------------ 💸 Build Your Own E-commerce Website for Free! - https://www.thapatechnical.com/2024/03/build-complete-ecommerce-website-using.html ------------------------------------------------------------------------ ✌️ Join Us! 🚀 Become a Member: Unlock perks, free source code, and more Join Now : https://www.youtube.com/channel/UCwfaAHy4zQUb2APNOGXUCCA/join 📷 Connect on Instagram: https://www.instagram.com/thapatechnical 🗨️ Join Our Discord Server: Hang out with fellow programmers Discord Link: https://discord.gg/MdScmCsua6 ------------------------------------------------------------------------ ⌛TIMELINE⏳ 0:00 Introduction: What We'll Perform Today 0:20 Identifying Problems with Current Todo Code 2:12 Updating Input Values to Objects 6:20 Handling Todo Form Submission 7:10 Checking if Input Content is Empty 7:40 Verifying if Data Exists 11:10 Adding Data to State 13:00 Fixing State Mapping for UI Display 15:25 Deleting Items from the List 17:10 Handling Check/Uncheck of Todo Items 28:10 Preview of the Next Video

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